三、完形填空（本大题共15小题，每小题1分，共15分）
第一部分:从所提供的选择项中选择一个最佳选项填入短文的空格内，请将其代码填涂在“答题纸”相应的位置上。错涂、多涂或未涂均无分。（每小题1分，共10分）
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21.A. most B. best C. much D. both
22.A. Much B. Many C. A lot D. A great deal
23.A. by B. thorough C. through D. with
24.A. mostly B. prettily C. wildly D. highly
25.A. ensure B. ensures C. insure D. insures
26.A. have B. has C. having D. had
27.A. along with B. in that C. in terms of D. except for
28.A. run B. work C. make D. go
29.A. as long as B. in spite of C. in order to D. according to
30.A. that B. what C. this D. where
